Antenna



FIG. 1 is a top plan view of an antenna;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an exploded view thereof;

FIG. 5 is an isolated top perspective view of a first antenna element ofthe antenna of FIG. 1;

FIG. 6 is an isolated top plan view thereof;

FIG. 7 is an isolated side elevation view thereof;

FIG. 8 is an isolated front elevation view thereof; and,

FIG. 9 is an isolated top plan view of a second antenna element of theantenna of FIG. 1.

The broken lines illustrate portions of the article that form no part ofthe claimed design.

CLAIM The ornamental design for an antenna, as shown and described.